Some Neutron-deficient Strontium Isotopes PDF Download
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Author: Stanley Vernon Castner
Publisher:
ISBN:
Category : Strontium
Languages : en
Pages : 36
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Author: Stanley Vernon Castner
Publisher:
ISBN:
Category : Strontium
Languages : en
Pages : 36
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Author: Kenneth Cecil Maclure
Publisher:
ISBN:
Category :
Languages : en
Pages :
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"Mass spectrograph analysis of minute quantities of radioactive elements produced in bombarded targets is aided by utilizing the beta and gamma radiations from the isotopes for their detection. Success depends on the efficiency of production of positive ions of the element in the mass spectrograph and the length of the half-lives compared to the time required for chemical extraction and mass sseparation. Using this technique the neutron deficient mass spectra of strontium, indium, and gallium were surveyed, extracting th~se. ~~om targets of rubidium chloride, cadmium and zinc, respectively, activated in the proton beam of the McGill cyclotron. Two new strontium isotopes were discovered, with mass numbers 82 and 83, and half-lives measuring 28 days and 33 hours, respectively. Maximum radiation energies were measured by an absorption method. Mass spectra containing all the known neutron deficient isotopes of indium were obtained, and by isolating In107 its half-life of 30 minutes (approx.) was confirmed. The upper limit for half-lives of any lower than 107 was set at 15 minutes. No new gallium isotopes were found, but an upper limit of 30 minutes set for the half-lives of all with mass numbers lower than 66, which includes that for Ga64 reported elsewhere as 48 minutes. [...]" --
Author:
Publisher:
ISBN:
Category : Chemistry
Languages : en
Pages : 232
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Author: Allan Wilbur Stoner
Publisher:
ISBN:
Category : Astatine
Languages : en
Pages : 238
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Author:
Publisher:
ISBN:
Category : Nuclear energy
Languages : en
Pages : 700
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Author: J. B. Chubbuck
Publisher:
ISBN:
Category : Cerium
Languages : en
Pages : 6
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Author:
Publisher:
ISBN:
Category : Power resources
Languages : en
Pages : 488
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Author: Aldo Covello
Publisher: World Scientific
ISBN: 9814554545
Category : Science
Languages : en
Pages : 648
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Held in May 1992 in Italy, the 4th International Spring Seminar on Nuclear Physics focused on recent developments which enhanced our understanding of the role of the various degrees of freedom which come into play in the nucleus. Consisting of four sessions, the first three sessions dealt with both theoretical and experimental issues centering on quarks and meson degrees of freedom, single-particle degrees of freedom and collective degrees of freedom. The fourth session discussed several important contributions that nuclear structure physics has made to the other research fields.
Author: National Research Council (U.S.) Committee on the Measurement of Geologic Time
Publisher:
ISBN:
Category : Geological time
Languages : en
Pages : 570
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Author:
Publisher:
ISBN:
Category : Nuclear energy
Languages : en
Pages : 564
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